<template>
  <div>
    <el-form ref="deptForm" label-width="120px">
      <el-form-item label="部门名称">
        <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门编码">
        <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门负责人">
        <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
          <el-option
            v-for="item in list"
            :key="item.id"
            :value="item.username"
            :label="item.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍">
        <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
        <el-button size="small" @click="hCancel">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import { addDepartments, getDepartmentsDetails, updateDepartments } from '@/api/departments'
import { getEmployeeSimple } from '@/api/employees'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    }
  },
  data() {
    // 效验编码在项目中是否重复
    const validCode = (rule, value, callback) => {
      let exsitCodeList = this.originList.map(item => item.code)
      console.log('exsitCodeList', exsitCodeList)
      if (this.isEdit) {
        exsitCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      if (exsitCodeList.includes(value)) {
        // 存在
        callback(new Error(`该部门编码: ${value}已经存在,请重新输入`))
      } else {
        // 不存在,放行
        callback()
      }
    }
    // 表单校验-部门名称-同级不重复
    const validName = (rule, value, callback) => {
      let exsitNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)

      if (this.isEdit) {
        const pid = this.originList.find(item => item.id === this.id).pid
        // 过滤掉当前的部门, map得到部门编号列表
        exsitNameList = this.originList.filter(item => item.pid === pid).filter(item => item.id !== this.id).map(item => item.name)
      }
      console.log('exsitNameList', exsitNameList)
      if (exsitNameList.includes(value)) {
        callback(new Error(`该部门名称: ${value}已经存在,重新输入`))
      } else {
        // 不存在, 不提示放行
        callback()
      }
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      // 验证规则对象
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 15, message: '部门名称要求1-15个字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 15, message: '部门编码要求1-15个字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门介绍要求1-50个字符', trigger: 'blur' }
        ]
      },
      list: []
    }
  },
  watch: {
    id: function(new_value, old_value) {
      console.log('new_value', new_value)
      console.log('old_value', old_value)
      this.loadDepartmentDetail()
    }
  },
  created() {
    this.loadEmployeeSimple()
    if (this.isEdit) {
      this.loadDepartmentDetail()
    }
  },
  methods: {
    // 重置表单
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    // 获取部门详情数据
    async loadDepartmentDetail() {
      try {
        const res = await getDepartmentsDetails(this.id)
        if (res.code === 10000) {
          this.form = res.data
        }
      } catch (error) {
        console.log('error', error)
      }
    },
    // 加载部门负责人信息
    async loadEmployeeSimple() {
      try {
        const res = await getEmployeeSimple()
        console.log('res', res)
        this.list = res.data
      } catch (error) {
        console.log(error)
      }
    },
    // 新增子部门
    async doAdd() {
      try {
        const res = await addDepartments({ pid: this.id, ...this.form })
        console.log('res', res)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染
        // 关闭遮罩
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 实现编辑部门
    async doEdit() {
      try {
        const res = await updateDepartments(this.form)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染
        // 关闭遮罩
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 确定
    hSubmit() {
      this.isEdit ? this.doEdit() : this.doAdd()
    },
    // 取消
    hCancel() {}
  }
}
</script>

<style>

</style>
